AddAssignmentOperation.ceylon
import ceylon.ast.core {
AddAssignmentOperation,
AssigningExpression,
Node,
ThenElseExpression
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JAddAssignOp=AddAssignOp
}
}
"Converts a RedHat AST [[AddAssignOp|JAddAssignOp]] to a `ceylon.ast` [[AddAssignmentOperation]]."
shared AddAssignmentOperation addAssignmentOperationToCeylon(JAddAssignOp addAssignmentOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is ThenElseExpression left = expressionToCeylon(addAssignmentOperation.leftTerm, update),
is AssigningExpression right = expressionToCeylon(addAssignmentOperation.rightTerm, update));
value result = AddAssignmentOperation(left, right);
update(addAssignmentOperation, result);
return result;
}
"Compiles the given [[code]] for an Add Assignment Operation
into an [[AddAssignmentOperation]] using the Ceylon compiler
(more specifically, the rule for an `assignmentExpression`)."
shared AddAssignmentOperation? compileAddAssignmentOperation(String code, Anything(JNode,Node) update = noop) {
if (is JAddAssignOp jAssignmentExpression = createParser(code).assignmentExpression()) {
return addAssignmentOperationToCeylon(jAssignmentExpression, update);
} else {
return null;
}
}